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WARNING: Disconnect primary power prior to servicing.
Introduction/Specifications
1.2 Features/Benefits
• Includes the field-proven Harris DIGIT Digital FM Exciter with built in DSP ste-
reo generator. As the world’s first all-digital FM exciter the Harris DIGIT accepts
AES/EBU digital audio and generates the fully modulated RF carrier totally in
the digital domain for the lowest noise and distortion available in any FM trans-
mitter (16 bit digital audio quality).
• Power output range: 1.25 - 5kW for Z5CD; up to 5.5kW into a 1.1 or less VSWR.
• Redundant, autoswitching, IPA amplifiers to eliminate a single point of failure.
• Microprocessor based controller for advanced control, diagnostics and display
capability. Includes built-in logic and commands for switching between main/
alternate DIGIT exciters and IPAs.
• Redundant RF amplifier modules that allow maintenance while the transmitter
remains on the air at reduced power (“Hot-Pluggable” modules).
• Redundant power supplies to keep the transmitter on the air.
• Broadband design to eliminate tuning adjustments from 87 through 108MHz
(N+1 capable). Frequency change can be done manually in less than five minutes
using simple switch settings, and in less than 0.5 seconds using an optional,
external controller.
• Quick start design provides full output power meeting all specifications within
five seconds of an “On” Command.
• Versatile air cooling design uses either an internal blower or an external air sys-
tem.
• Dual output power settings, standard, along with a third available power setting
for use with UPS or generator backup systems.
• Directional RF sample port provided for customer use.
• Available for single or three phase mains power, 50/60Hz.
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